Cage-adjusting mechanism for crushing machinery



Dec. 18, 1928. 1,695,562

C. R. ROUSE v CAGE ADJUSTING MECHANISM FOR ORUSHING MACHINERY Filed June 21, 192s 2 Sheets-sheaf 1 Dec. 181928.

c. R. ROUSE CAGE ADJUSTING MECHANISM FOR CRUSHING MACHINERY Fil June-21, 1926 2 Sheets-Sheet 2 INVENTOR: C/larlas R. Rouse,

Passed Dec. 18, 1 28.

UNITEDSTA TE'S' v ATEN b Flc-E-i CHARLES ItnoUsE, or SWISSVALE, PENNSYLVANIA, ASSIGNOR, 'IO PENNSYLV NIA CRUSHER COMPANY, OF NEW YORK, N. Y, ACORPORATIQNOF new YORK.

GAGE-ADJUSTING MECHANISM non CRUSII-IINGMACHINERY.

j v hpplicationfiled ru e 1,

My invention relates to crushing machinery for reducing ore, stone, coal and similar material, and while notlimited thereto, it

is especially applicable to crushing machin- The object of my invention isto provide simple and efficient means for readily adjusting the cage or screen of a hammer crusher structure or similar crushing mechanism with respect to the rotor'element carryingthe hammers or other form "of crushing orl reducing means such cagepr screen being normally disposed substantlally concentric with respect to the axis "of' rotation of the rotor element or slightly eccentric thereto. i M I v My invention comprisesmechanism for effecting adjustment of the cageor screen with respect to the rotor. element, and consists of means for effectingbodily movement of the cage laterally with re'sp'ect'to the rotor element, and means for effecting vertical movement of the means effecting lateral adjust ment of such cage or screen, so that as a resultant ofthese'twoadjustments or move ments, the cage or screen will be brought into the desired posit-ion relatively tothe path of the ends of the hammers or'other crushing members carried by the rotor element.

These and'other features of my invention are more fully described hereinafter; reference being had in which: V I t Figure 1, is a side elevation, partly in section, of one form of, crushing machinery ofv the hammer crusher type to which myim-' .provements have been applied. I

Fig.2, is an end elevation of the same, partly in section.

Fig. 3, is a fragmentary view illustrating a detail of construction, and

Fig. 4, is a sectional plan view of a portion of the structure shown in Fig. 2. 1 7 As is well understood, the rapidity of motion and the character of .the material 'opcrated upon dulls the ends of the hammers employed in crushing machinery of the type .to whichmy invention is applicable and in to vtheaccompanying drawing time reduces their length, so that eventually such hammers are either repositioned with respect to the disks of arotor'element carrying the same, so as to project to an extent hammers are provided. I

It will alsobe understood that betweenthe equal to that when first employed, or new- 1926. Serial no. 117,374.

of the same, there are periods where th'e:

; gradual wear of the hammers hasincreased the distance-between the ends of the-same ery of the type known as hammer crushers.

and the surface of thecage or screen, and it is desirable that this distance shall be maintained substantially the same atall times, whether the position of the screen or cage is concentric with respect to the path of the hammers or is slightly eccentric thereto. To this end, the mechanism forming the subject oft-he present invention has been devised.

The form of hammer'crusher illustrated, is substantially the same as that showniin the patent of Hartman and 'Borton', No.

1,361,054, Dec. 7, 1920, in which the cage 01 screen 1, is supported at one end by an adjustable rack rod (or rods) A pivotally connect'ed thereto, which rack rod (or rods) may be operated by a sprocket (or sprockets) I B, actuated by suitable gearing,as fully set I forth in said'patent. The rack rod (or rods) A ispivotally connected to the cage or screen at a, and the usual gearing is "provided; to

actuate the sprocket (or sprockets) B, whose teeth 6, are disposed in engagement with the teeth a, of the rack rod (or rods) A, .The opposite end of the cageor screen is pivotally' supported by .a rodor shaft 2, extending across thermachine, and the present improve.-

rection'of the .arrow ac, may comprisethe I shaft D, carrying disks E, to which hammers F, are pivotallyfconnected, as indicatedjat f. The pivot shaft or rod 2'is arranged for rotative movement with respect to th'e'cage I onscreen and in'additiontothisrotative w movement it maybe bodily lifted. Adjacent I i the ends of the shaft 2, eccentrics 3' are mounted thereon, which eccentrics are adapted to seats 4:, in the side frames 50f the cage or screen, so that if rotative movement is imparted to said shaft 2 it will effect moveinent of the cage or screen. The eccentrics are shown in Figs. 1 and 3, as occupying a :vertical position with respect to the shaft 2,

and iffmotion is imparted to the shaft in the direction of the arrow 2, for instance, which will bringthe' rear end of the cage toward the rotor, there will be a slight drop of the front end of the cage; the rear end rocking on its pivotal connection a with the rack rod (or rods) A. i

Inorderthat rotary movement "may be imparted to the shaft 2, the latter carries a worm-wheel 6 at one end of the same, which is turned by a worm 7 in a mannerdiei'einafter referred to. This operation effects,

. relati'vely speaking, lateral adjustment of oment will be imparted to said shaft, and with.

' theeocentrics in the position indicated in the drawing prior to the commencement of thisimovemennthe latter will be downward.

The wornnwheelfi, keyed to one 1 end of i g5 theshaft 2, is 'provided witha hub 6, journaled ina box 8,-mounted for vertical movement on thBSldQWflli g,of the crusher struc- 1 ture, and the opposite end of said shaft 2 is rjou'rnaled in a similar box 8 arranged for 1 so vertical movement on the opposite side wall 19'; These boxes' 8 and 8 are adapted to elideways formed by pairs of members one-ofcachpair being fixed tothe side walls of the crusherstructure, while the others zsa are carried by a cross beam h. 'These boxes 8 and 8 are grooved at the sides, as indicat- 'diat 10", for the reception of vertical guidingribs 10","itormed on saidmembers 10.

'T'he moyable boxes Sand 8 disposed at,

40 the -sides of the crusher structure are suspended from lifting mechanism whereby saidboxes, together with theshaft 2, worm Wheel '6, andl attendant parts, may be raised and lowered as 'may fiancee-scary. -These boxes are arranged. for direct vertical movement so that aif'ter any rotary movement of the pivot shaft or rod 2',-to effect adjustment of the cage or-screen in the manner described, any vertical movement accompanying such adjustment may be compensated for byraising or lowering said boxes Sand 8.

In the arrangement forming the subject "oii'my present invention and disclosed in the accompanying drawings, this raisingor low- 5 -ering of the boxes 8 and 8, is effected by ii arms 11, carried by a rock'shaft 12, journaled in bracket bearings 12" and 12"; such shaft in the position of the cage or screen. 'imodifications, are believed to be within the terms of the appended claims.

extending across the machine above and i parallel to the shaft or rod 2. The arms 11, carry links 13, which areattached at their lower ends to the boxes S and 8. The end of said shaft 12, carries anotherarm 11", in the form of a segment of a worm-wheel, with teeth 14, for enga. ement by a worm 15,

05 mounted on a sha t 16, disposed in fixed room for movement relatively to the side bearings 16* carried by the bralbket 12; such shaft having the usual hand wheel 17, whereby it may be turned. a When therefore, the

desired lateral adjustment of the screen or cage witlr respect to the rotor structure has 7 0 been effected by partial rotation of the shaft 0'1"1dd2, the vertical-position of such screen or cage can be taken care of by operating the arm 11, to rock the shaft 12, whereby the arms Ill-may raise or lower, as the case may 7 -be,-thei boxes 8 and 8 and thereby dispose the cage. or screenin the desired position with respect to the path of the hammers of the rotor element.

i lie worm, is, carried by a shaft 19, jour- 30 maled in bearing 19*, depending from the box8,'and upon turning said shaft 19, by; a

hand wheel 20, motion will be transmitted to the worm-wheel 6; thereby turning the rod or shaft-2, and through the eccentrics 3 carried thereby, shifting the, position of the cage -or screen. i a

In lieu of i he rock-shaft with its arm and link connections and thesegmental rack and Worm, for imparting vertical movement to the-boxes 8 and 8?; screws or worms may be vertically disposed," and adapted, to {fixed nuts properly mounted inoperative position at the sides ofthe machine, and such screws or worms may be operatively connected to the boxes &and 8,-su porting the shaft 2.

, Or a rack-and pinion evice may be [directly connected to said boxes 8 and 8. If lifting screws-or worms or rack and pinion devices are employed to effect vertical movement of the boxes 8 and 8", means will be provided to operate the same in unison ateaeh side of 'the machine.

-In order that the shaft or rod 2, may have wallsig and, g of the machine when shifted by the operation of the worm-wheel; such shaftor rod, projecting through said side wallsftghe latter are provided with openings G, which may be of any suitable contour.

It is desirable to have the eccentrics 8 as smallias possible,and in order to increase the range of adjustment which maybe impar-ted to the cage onscreen nponrotation of the shaft 2, the latter may: beoffset or 1 5 icranked as indicated at 2*; the eccentrics being carried bythe cranked portions, It will l be -understood, however that-the cranking of the shaft may be omitted-altogether, without affecting the scope of the invention, and

that the cranked ,shaft may beemployed without the eccentrics to effect zuljustmcnts Such spect tosaidcage, of rotative meansoperatively connected to one endof the cage for effecting adjustmentof the cage with respect to the rotatable crushing means, and independent means for shifting the position of the cage-adjustingqmeansj. the resultant of the adjusting operations, placing thecage in the desired position withv respectto the crushing means. I g i 2. The combination, with a hammer crusher having a cage or screen of the rigid typeand a hammer-carrying element rotatable with respect to said cage, of rotative means operatively connected toone end of the cage for effecting adjustment of the cage with respect to the hammer-carrying element, and

independent means for adjusting the cage-' adjusting means, the resultant of the adjusting operations placing the screen or cage in the desired position with respect to the path Of the hammers. v

8. The combination, with a crushing masubstantially concentric with respect to the hammer structure; said cage being pivotally hung at each end and oneof saidpivotal connections occupying a substantially fixed position when the hammer structure is in action, ofrotative means for changing the positionof said relatively fixed pivot to adjust the cagerelatively to the hammer structure, and means for impartingdirect vertical movement to themechanism for changing the position of said pivotal connection. 5. The combination, in a crushing machine havin a rotar hammer element and a ca e or screen structure disposed in cooperative relation with respect to said hammer element, of a shaft upon which one end of said cage is pivotally mounted, eccentrics carried by said shaft and journaled in said cage structure, a worm-wheel carried by said shaft, a worm for movingsaid worm-wheel whereby the position of said eccentrics may be changed to shift the position of the cage, movable supports for said shaft, and means for imparting vertical movement to said supports.

6. The combination, in -a crushing machine having a rotary hammer element and a cage or screen structure disposed in cooperative relation .with respect to said hammer element, of a shaft upon which one end specification.

of said cage is pivotally mounted; said shaft having an offset portion, eccentrics carried by the offset portion of said shaft and journaled in said cage structure, a wormwheel carried at one end of said shaft, a worm for moving said worm-wheel whereby the position of said shaft and its eccentrics may be changed to shift the position. of the cage, movable supports for said shaft, and

means for raising and lowering said shaft supports. I i 7. The combination, with acrushing machine having a screeningcage of the rigid type, and crushing means rotatable with respect to said cage, of an eccentric member rotatable on a fixed axis and in pivotal engagement with one end of the cage for shiftin the latter in one direction with re, v

spect to the crushing means, and independent means for shifting the position of said eccentric member vertically; the resultant of the adjusting operations placing the cage in the desired crushing means.

8. The combination, with a crushing machine having a pivotally supported screening cage of" the rigid type, and rotatable crushing means disposed within said cage,of an eccentric member rotatable on .afixed position with respect to the axis for moving the pivotal support for the j cage to adjust the latter with respect to the crushingmeans, and independent-means for imparting vertlcal movement to said eccentric member. j v

9. The combination, in a crushing machine having a rotary hammer element and a screening cage disposed in cooperative relation with respect to said hammer element, of a shaft upon which one end of said cage 18 pivotally mounted, eccentrics carried by said shaft and journaled in said cage structure,

means forv rocking said shaft whereby the position of said eccentrics may bechanged to shift the position of the cage, movable supports forsaid shaft, and means for imparting vertical movementto said supports. I V

' 10. The combination,in a crushing machine having a rotary hammer. element and a,

screening'cage disposed in cooperative relation with respect to said hammer element, of

a shaft upon which one end of said cage is )ivotall mounted said shaft havin an offmay be changed to shift the position of the cage, movable supports for. said shaft, and r means for imparting vertical movement to said supports. 7

In witness whereof I have i signed. this CHARLES R. ROUSE. 

